The T-REX Bass Juice pedal offers distortion specially designed for bass guitar. In normal mode (boost function off) it delivers awesome sustain with rich creamy overtones and big bottom. Engage the distortion pedal"s boost function and you are in fuzztone heaven! The mix knob let"s you blend just the right amount of distortion with your original clear tone. Remember that Jamiroquai sound, where it sounds like the bass kicks the paper of the speakers? The BassJuice pedal can do thatand many other things.Dual-mode distortion pedal designed for bass guitar On/off switch Boost switch, gain distortion (Works only with the pedal on) Gain knob (Controls overall distortion) Level knob (Controls master volume) Tone knob (Adjusts a broad range of frequencies and provides great tonal control) Mix knob (Blends dry/overdriven signal) 9 volt battery operation or DC adapter Bomb-proof aluminum housing 2-year warranty